using System;
using System.Collections;
using System.Text;
using System.Threading;

using System.Diagnostics;
using GHIElectronics.TinyCLR.Devices.Storage;
using GHIElectronics.TinyCLR.IO;
using System.IO;

using GHIElectronics.TinyCLR.Devices.I2c;
using GHIElectronics.TinyCLR.Pins;

namespace TinyCLRApplication1
{
    class Program
    {

        private const double MilliampsPerCount = 0.5;
        private const double VoltsPerCount = 0.025;

        static void Main()
        {
            Debug.WriteLine("Program Started");

            byte[] LTC2946_ADIN_MSB_REG = { 0x28 };
            byte[] LTC2946_CONTROLA_REGISTER = { 0x00 };
            byte[] LTC2946_DELTA_SENSE_MSB_REG = { 0x14 };
            byte[] LTC2946_VIN_MSB_REG = { 0x1E };
            byte[] byteArray1X = new byte[1];
            byte[] byteArray2X = new byte[2];

            var settings = new I2cConnectionSettings(0xDE >> 1);     //The slave's address.
            settings.BusSpeed = I2cBusSpeed.StandardMode;

            var controller = I2cController.FromName(UC2550.I2cBus.I2c2);
            var device = controller.GetDevice(settings);

            device.WriteRead(LTC2946_VIN_MSB_REG, byteArray2X);

            double voltage = double.NaN;
            voltage = VoltsPerCount * ((byteArray2X[0] << 4) | (byteArray2X[1] >> 4));

            var sd = StorageController.FromName(@"GHIElectronics.TinyCLR.NativeApis.STM32F4.SdCardStorageController\0");
            var drive = FileSystem.Mount(sd.Hdc);

            var file = new FileStream($@"{drive.Name}Test2.txt", FileMode.OpenOrCreate);
            var bytes = Encoding.UTF8.GetBytes(DateTime.UtcNow.ToString() + Environment.NewLine);

            file.Write(bytes, 0, bytes.Length);

            file.Flush();

            var filesOnRoot = Directory.GetFiles(drive.Name);


            FileSystem.Flush(sd.Hdc);
        }
    }
}